Fork of Fork of AQI Data in America by State
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A choropleth map of the United States colors each state by its average Air Quality Index (AQI), using a quantile color scale with eight green-to-red bins. A white fill marks states without data. The visualization pairs the map with a time-series histogram showing monthly mean AQI values, though the histogram is not visible in the final render. Built with React and D3 v5, the map uses `d3.geoAlbersUsa` and `d3.geoPath` to project TopoJSON state boundaries from the us-atlas package, while the histogram applies `d3.bin` and `d3.brushX` for interactive filtering of the map by date range. Data comes from a CSV of ozone measurements.
AI-generated descriptionMIT Licensed